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Huawei H12-811 Exam Questions
HCIA-Datacom V1.0 (Page 28 )

Updated On: 19-Feb-2026
Page 28 of 147
PDF with 872 Questions

Which of the following statements about the role of the STP protocol ForwarD.Delay is correct? ()

  1. Prevent temporary loops
  2. There is a delay in the transition between Blocking state and DsiableD state
  3. Reduce the time interval of BPDu transmission and improve the convergence speed of STP
  4. Improve the survival time of BPDUs to ensure that the configured BPDUs can be forwarded to more switches

Answer(s): A



Which of the following is not the reason why RSTP can increase the speed of convergence? ()

  1. Fast switching of the root port
  2. The introduction of edge ports
  3. Forward.Delay cancelled
  4. P/A. Mechanism

Answer(s): C



Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and forward BPDUs ()

  1. True
  2. False

Answer(s): B



What kind of network equipment can host A and host B use to achieve communication?

  1. router
  2. Hub
  3. HUB
  4. Layer 2 switch

Answer(s): A



Which of the following IPv4 addresses is a class A address? ()

  1. 192.168.1.1
  2. 100.1.1.1
  3. 127.0.0.1
  4. 172.16.1.1

Answer(s): B






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